CN106048493A - Fe-Gr-W-Ti nano-coating and preparation method thereof - Google Patents
Fe-Gr-W-Ti nano-coating and preparation method thereof Download PDFInfo
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- CN106048493A CN106048493A CN201610662445.5A CN201610662445A CN106048493A CN 106048493 A CN106048493 A CN 106048493A CN 201610662445 A CN201610662445 A CN 201610662445A CN 106048493 A CN106048493 A CN 106048493A
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Abstract
The invention relates to a Fe-Gr-W-Ti nano-coating and a preparation method thereof. The Fe-Gr-W-Ti nano-coating comprises, by mass, 20 to 30 parts of Fe, 40 to 50 parts of Gr, 5 to 10 parts of W, 26 to 39 parts of Ti, 6 to 9 parts of CBN and 4.75 part of a trace element. The preparation method comprises the following steps: (1) preparing Fe-Gr-W-Ti nanospheres by using a dry grinding method; (2) mixing the nanospheres prepared in the step (1) with GO, Mo, B, Si and CBN by using a surfactant protection method so as to obtain nano-powder; and (3) spraying the mixture, i.e., the nano-powder, prepared in the step (2) onto the surface of a 4Cr13 die steel matrix by using a high-velocity oxy-fuel spraying process so as to prepare the Fe-Gr-W-Ti nano-coating. The Fe-Gr-W-Ti nano-coating and the preparation method thereof in the invention overcome the problems of poor wear resistance and low corrosion resistance of conventional coatings and improve the microstructure and structure of a coating on the surface of a material.
Description
Technical field
The present invention relates to thermal spraying material technical field, a kind of Fe-Gr-W-Ti nano coating and preparation side thereof
Method.
Background technology
Thermal spraying is to utilize certain thermal source (such as electric arc, plasma spraying or combustion flame etc.) by powder or thread gold
Belong to or nonmetallic materials are heated to melted or semi-molten state, then spray with certain speed by flame stream itself or compressed air
To pretreated matrix surface, deposit and form a kind of technology of the face coat with various function.
The material bond strength that traditional spraying technology uses is poor, porosity height, wear no resistance.Novel hot sprayed on material needs
Make up these defects, adopt new technology, new method, new formula prepare there is high rigidity, high-wearing feature, highly corrosion resistant, micro-
Seeing uniform texture, the excellent material of comprehensive mechanical property becomes the demand that people are urgent.
Summary of the invention
Poor in order to solve conventional coatings wearability, the problems such as hardness is relatively low, the present invention provides a kind of Fe-Gr-W-Ti to receive
Rice coating and preparation method thereof.
The technical problem to be solved realizes by the following technical solutions:
A kind of Fe-Gr-W-Ti nano coating, the mass fraction of its component and each component be Fe account for 20 parts-30 parts, Gr account for 40
Parts-50 parts, W account for 5 parts-10 parts, Ti account for 26 parts-39 parts, CBN account for 6 parts-9 parts, trace element account for 4.75 parts.
Described trace element is Mo, B, Si, is added with GO, i.e. graphene oxide, described GO, Mo, B, Si in trace element
Quality proportioning be 1:0.75:0.5:1.
The preparation method of a kind of Fe-Gr-W-Ti nano coating, comprises the following steps:
(1) dry type comminuting method is used to prepare the nanosphere of Fe-Gr-W-Ti；
(2) nanosphere prepared in step (1) use surfactant Protection Code mixing GO, Mo, B, Si and CBN prepare
Nanometer powder；
(3) use HVAF technique at 4Cr13 mould steel matrix surface in the mixture prepared in step (2)
Preparation Fe-Gr-W-Ti nano coating.
The invention has the beneficial effects as follows: the present invention solves the problem that existing coating abrasion performance is poor, corrosion resistance is relatively low,
Improve the microstructure of material surface coating, structure, be integrally improved the anti-wear performance of material surface.
Detailed description of the invention
In order to make technological means that the present invention realizes and creation characteristic be easy to understand, below the present invention is explained further
State.
Embodiment one:
A kind of Fe-Gr-W-Ti nano coating, the mass fraction of its component and each component be Fe account for 20 parts, Gr account for 40 parts, W
Account for 5 parts, Ti account for 26 parts, CBN account for 6 parts, trace element account for 4.75 parts.
Described trace element is Mo, B, Si, is added with GO in trace element, and the quality proportioning of described GO, Mo, B, Si is 1:
0.75:0.5:1。
The preparation method of a kind of Fe-Gr-W-Ti nano coating, comprises the following steps:
(1) dry type comminuting method is used to prepare the nanosphere of Fe-Gr-W-Ti；
(2) nanosphere prepared in step (1) use surfactant Protection Code mixing GO, Mo, B, Si and CBN prepare
Nanometer powder；
(3) use HVAF technique at 4Cr13 mould steel matrix surface in the mixture prepared in step (2)
Preparation Fe-Gr-W-Ti nano coating.
Embodiment two:
A kind of Fe-Gr-W-Ti nano coating, the mass fraction of its component and each component be Fe account for 30 parts, Gr account for 50 parts, W
Account for 10 parts, Ti account for 39 parts, CBN account for 9 parts, trace element account for 4.75 parts.
Described trace element is Mo, B, Si, is added with GO in trace element, and the quality proportioning of described GO, Mo, B, Si is 1:
0.75:0.5:1。
The preparation method of a kind of Fe-Gr-W-Ti nano coating is identical with embodiment one.
Embodiment three:
A kind of Fe-Gr-W-Ti nano coating, the mass fraction of its component and each component be Fe account for 25 parts, Gr account for 45 parts, W
Account for 8 parts, Ti account for 30 parts, CBN account for 8 parts, trace element account for 4.75 parts.
Described trace element is Mo, B, Si, is added with GO in trace element, and the quality proportioning of described GO, Mo, B, Si is 1:
0.75:0.5:1。
The preparation method of a kind of Fe-Gr-W-Ti nano coating is identical with embodiment one.
Supersonic spray coating technology is used to prepare Fe-Gr-W-Ti nano coating on 4Cr13 mould steel matrix, with described
The matrix of coating and the bond strength of matrix, microhardness, the porosity and the abrasive wear resistance contrast without described coating
Experimental result is shown in Table 1:
Table 1 Fe-Gr-W-Ti nano coating with without coating 4Cr13 mould steel substrate performance contrast and experiment:
| Experimental group is numbered | Porosity (AREA%) | Bond strength (MPa) | Microhardness (HV) |
| 1 | 0.520 | 65.8 | 966 |
| 2 | 0.483 | 67.6 | 946 |
| 3 | 0.518 | 65.5 | 972 |
| Meansigma methods | 0.507 | 66.3 | 961 |
| Contrast groups | 0.693 | 60.2 | 892 |
Supersonic spray coating technology is used to prepare Fe-Gr-W-Ti coating on 4Cr13 mould steel matrix, with described coating
Matrix and the wear extent contrast and experiment of matrix without described coating be shown in Table 2:
Table 2 Fe-Gr-W-Ti nano coating and the wear extent contrast and experiment of 4Cr13 mould steel matrix:
| Experimental group is numbered | Before abrasion (g) | After abrasion (g) | Wear extent (g) |
| 1 | 58.5674 | 58.5647 | 0.0027 |
| 2 | 58.5741 | 58.5709 | 0.0032 |
| 3 | 58.3894 | 58.3854 | 0.0040 |
| Contrast groups | 58.9617 | 58.9529 | 0.0088 |
From Tables 1 and 2, the excellent combination property of Fe-Gr-W-Ti nano coating, wearability is good.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry
The personnel simply present invention it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description
Principle, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these change and
Improvement both falls within scope of the claimed invention.Claimed scope is by appending claims and equivalence thereof
Thing defines.
Claims (2)
1. a Fe-Gr-W-Ti nano coating, it is characterised in that: the mass fraction of its component and each component is that Fe accounts for 20 part-30
Part, Gr account for 40 parts-50 parts, W account for 5 parts-10 parts, Ti account for 26 parts-39 parts, CBN account for 6 parts-9 parts, trace element account for 4.75 parts；
Described trace element is Mo, B, Si, is added with GO in trace element, and the quality proportioning of described GO, Mo, B, Si is 1:
0.75:0.5:1。
2. the preparation method of a Fe-Gr-W-Ti nano coating, it is characterised in that: comprise the following steps:
(1) dry type comminuting method is used to prepare the nanosphere of Fe-Gr-W-Ti；
(2) nanosphere prepared in step (1) use surfactant Protection Code mixing GO, Mo, B, Si and CBN prepare nanometer
Powder；
(3) HVAF technique is used to prepare at 4Cr13 mould steel matrix surface in the mixture prepared in step (2)
Fe-Gr-W-Ti nano coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610662445.5A CN106048493A (en) | 2016-08-13 | 2016-08-13 | Fe-Gr-W-Ti nano-coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610662445.5A CN106048493A (en) | 2016-08-13 | 2016-08-13 | Fe-Gr-W-Ti nano-coating and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106048493A true CN106048493A (en) | 2016-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610662445.5A Withdrawn CN106048493A (en) | 2016-08-13 | 2016-08-13 | Fe-Gr-W-Ti nano-coating and preparation method thereof |
Country Status (1)
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| CN (1) | CN106048493A (en) |
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2016
- 2016-08-13 CN CN201610662445.5A patent/CN106048493A/en not_active Withdrawn
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Application publication date: 20161026 |
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